condition	mean	min	max
4 h after light	7.35716	7.2054800000000006	7.52323
8 h after light	6.853683333333334	6.62405	7.00563
12 h after light	6.751593333333333	6.69985	6.80168
4 h after dark	7.03365	6.65995	7.32919
8 h after dark	7.26983	7.16868	7.388889999999999
12 h after dark	7.53095	7.45273	7.67432